examples/dbus/listnames¶
(You can also check this code in the repository)
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
from __future__ import annotations
"""PySide6 port of the QtDBus listnames example from Qt v6.x"""
import sys
from PySide6.QtCore import QCoreApplication
from PySide6.QtDBus import QDBusConnection, QDBusInterface, QDBusReply
def method1():
print("Method 1:")
session_bus = QDBusConnection.sessionBus()
reply = session_bus.interface().registeredServiceNames()
if not reply.isValid():
print("Error:", reply.error().message())
sys.exit(1)
values = reply.value()
for name in values:
print(name)
def method2():
print("Method 2:")
session_bus = QDBusConnection.sessionBus()
dbus_iface = QDBusInterface("org.freedesktop.DBus", "/org/freedesktop/DBus",
"org.freedesktop.DBus", session_bus)
message = dbus_iface.call("ListNames")
reply = QDBusReply(message)
print(reply.value())
def method3():
print("Method 3:")
session_bus = QDBusConnection.sessionBus()
print(session_bus.interface().registeredServiceNames().value())
if __name__ == "__main__":
app = QCoreApplication()
if not QDBusConnection.sessionBus().isConnected():
print("Cannot connect to the D-Bus session bus.\n"
"To start it, run:\n"
"\teval `dbus-launch --auto-syntax`\n",
file=sys.stderr)
sys.exit(1)
method1()
method2()
method3()